Dr. Winnie Ann Feng, DO
- Part D claims, 2024
- 28
- Hospital affiliations
- 3
- Industry payments
- $43
- Medical groups
- 2
- State license
- 1
- Practice address
- 1100 Las Tablas Rd, Templeton, CA 93465
- Practice phone
- Call (805) 434-3500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Feng's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Winnie Ann Feng is a general surgeon in Templeton, California
Dr. Feng practices at Adventist Health Twin Cities in Templeton, California, part of Adventist Health.
Dr. Feng's NPI, 1447879838, was assigned on April 15, 2020. Dr. Feng graduated from At Still Un of Hlth Sciences, Col of Osteo Med, Mesa in 2020. Dr. Feng holds California license 20A24214.
- NPI
- 1447879838NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6608366919
- NPI enumeration date
- April 15, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (805) 434-3500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Winnie Ann Feng practices at Adventist Health Twin Cities in Templeton, California
Dr. Feng's primary practice is Adventist Health Twin Cities, at 1100 Las Tablas Rd, Templeton, CA 93465 in San Luis Obispo County. The practice phone is (805) 434-3500.
- Adventist Health Twin Cities1100 Las Tablas Rd, Templeton, CA 93465 · San Luis Obispo CountyPhone(805) 434-3500
Source: Dmand AI Affiliation Data
Dr. Winnie Ann Feng is affiliated with 6 sites of care and 2 medical groups
Dr. Feng's primary practice is Adventist Health Twin Cities in Templeton, California, part of Adventist Health. Dr. Feng is also affiliated with Adventist Health Sierra Vista. The medical group on file is Associated Surgeons of San Luis Obispo. Dmand AI also links Dr. Feng to 1 more hospital, 2 group practices and clinics, 1 home health agency and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Winnie Ann Feng's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Feng practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Adventist Health Twin Cities | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Adventist Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Winnie Ann Feng is one of 2,926 general surgeons in California
Surgery is Dr. Feng's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Feng is licensed in California.
Specialties and state licenses
- Surgery, CaliforniaPrimary
General surgeons near Dr. Feng
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Winnie Ann Feng's patients have a median age of 55
Across all payers, Dmand AI patient panel data puts Dr. Feng's median patient age at 55, with 51% women.
Dr. Feng's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women51%
- Men49%
Source: Dmand AI Patient Panel Data
Dr. Winnie Ann Feng wrote 28 Medicare Part D claims in 2024
In 2024, Dr. Feng wrote 28 Medicare Part D claims for 16 patients. 93% of them were for generic drugs.
Dr. Feng's Part D claims by kind of drug, 2024
- Generic26 claims93%
- Brand-name and other2 claims7%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Winnie Ann Feng ranks in the 77th percentile for removal of tissue in Medicare
Dr. Feng accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Feng as offering telehealth. CMS counts 42 procedures of removal of tissue by Dr. Feng, more than 77% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Feng ranks in Medicare procedure volume
- Removal of tissue
- 77th percentile42 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
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Dr. Winnie Ann Feng received $43 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Feng from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Organogenesis Inc. paid the most, $43.
Companies that paid Dr. Feng the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Winnie Ann Feng graduated from At Still Un of Hlth Sciences, Col of Osteo Med, Mesa
Dr. Feng graduated from At Still Un of Hlth Sciences, Col of Osteo Med, Mesa in 2020.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Winnie Ann Feng's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Winnie Ann Feng
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Winnie Ann Feng's NPI number?
Dr. Winnie Ann Feng's NPI number is 1447879838. It was assigned on April 15, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Winnie Ann Feng?
Dr. Winnie Ann Feng is a general surgeon in Templeton, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Winnie Ann Feng practice?
Dr. Feng practices at 1100 Las Tablas Rd, Templeton, CA 93465. Dr. Feng's primary practice is Adventist Health Twin Cities in Templeton, California, part of Adventist Health. Dmand AI also links Dr. Feng to 1 hospital, 2 group practices and clinics, 1 home health agency and 1 medical group.
What is Dr. Winnie Ann Feng's office phone number?
The practice phone on file for Dr. Feng is (805) 434-3500.
What is Dr. Winnie Ann Feng's medical license number?
Dr. Feng holds California license 20A24214, one of 2 state licenses on file.
Which hospitals is Dr. Winnie Ann Feng affiliated with?
Dr. Feng practices at Adventist Health Twin Cities in Templeton, California. Dr. Feng is also affiliated with Adventist Health Sierra Vista. Dmand AI links Dr. Feng to 1 more hospital.
What medical group is Dr. Winnie Ann Feng part of?
Dr. Feng is linked to Associated Surgeons of San Luis Obispo. Dmand AI links Dr. Feng to 1 more medical group.
Does Dr. Winnie Ann Feng accept Medicare?
Yes. CMS lists Dr. Feng as accepting Medicare assignment.
Does Dr. Winnie Ann Feng offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Feng as offering telehealth services.
Where did Dr. Winnie Ann Feng go to medical school?
Dr. Feng graduated from At Still Un of Hlth Sciences, Col of Osteo Med, Mesa in 2020.
Has Dr. Winnie Ann Feng received payments from drug or device companies?
CMS Open Payments shows $43 in general payments to Dr. Feng from 1 company from 2025 to 2025. The largest total came from Organogenesis Inc.
How long has Dr. Winnie Ann Feng been practicing?
Dr. Feng graduated from medical school in 2020, 6 years ago.
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